22Watt x 2 audio amplifier

Description: A 22W x 2 audio amplifier circuit diagram utilizing the TDA 1558 integrated circuit from Philips. The TDA1558 is a monolithic integrated class-B output power amplifier housed in a 17-lead single-in-line (SIL) plastic package. This amplifier operates based on class H technology and can deliver 36W RMS and 70W of music power, all from a supply voltage of 13.8V. It is capable of providing 36W RMS continuously into a 4-ohm load when powered by a 13.8V supply. Additionally, it can achieve a 70W output power signal (music) under dynamic conditions. The schematic diagrams illustrate that this powerful amplifier requires only a few components. The circuit is designed on a PCB measuring 104mm x 39mm, demonstrating that while its size is compact, its performance capabilities are impressive. Furthermore, this amplifier features excellent noise performance.

The TDA 1558 audio amplifier circuit is designed for high-efficiency audio amplification, making it suitable for various applications including home audio systems, automotive audio systems, and portable sound devices. The integrated circuit operates in class H mode, which allows it to adjust the supply voltage dynamically based on the input signal, thus improving power efficiency and reducing heat generation.

The circuit typically includes input coupling capacitors to block any DC offset from the audio source, ensuring that only the AC audio signal is amplified. Feedback components are employed to stabilize the gain and improve linearity, while output coupling capacitors may be used to prevent DC from reaching the speakers. The PCB layout is critical for minimizing noise and interference; careful routing of the power and ground planes can enhance the amplifier's performance.

The power supply design is also essential, as it must provide a stable 13.8V with sufficient current capacity to handle the dynamic peaks of audio signals. Filtering capacitors are often included to smooth out any voltage fluctuations.

Overall, the TDA 1558 amplifier circuit represents a robust solution for audio amplification, combining compact size, high output power, and excellent sound quality in a straightforward design.22Watt x 2 audio amplifier circuit diagram. This circuit uses IC TDA 1558 from Philips. TDA1558 is a monolithic integrated class-B Output power amplifier in 17-lead single-in-line (SIL) plastic package. The amplifier based on the class H from Philips audio amplifier IC, it can deliver 36WRMS and 70W power music, all from the supply voltage of 13.8V.

This amplifier ca n provide 36WRMS continuous into 4ohm load when using a13. 8V supply. However, it is able to deliver 70W output power signal(music)inthe dynamic condition. As we can see from the drawing sand schematic diagrams, this powerful amplifier uses onlyfewpart. As we can see from the schematic drawings and diagrams, this powerful amplifier uses only few part. It is builton a PCB size 104mm x 39mm, but even though its size may be simple, but not with his ability. This amplifier also has excellent noise.